I generally get along good with any guy who isn't like a walking stereotype (obsessed with all things boob-related, sports fanatic, etc) but even then there's exceptions. I can relate to the awkwardness, I've always been pretty antisocial and just not a fan of being around many people (except concerts, oddly enough, but that's a whole separate rant). I think the worst thing, though, is when you see/come into contact with someone and just keep thinking "God, I would get along with them perfectly" and can't even manage to say hi.
My boyfriend has a friend who works at a store near his he's constantly talking about introducing me to, and I freak out every time it comes up. It started as a joke because I had a bad habit of ogling him anytime I saw him (this might sound creepy, but he looks so much like Squirrel its uncanny) and then turned into a serious "You guys should meet, he's incredibly nice and transfriendly and I know how bad you want another gay guy to talk to" that just made me stutter like a moron. And the sad part is I [i[do[/i] wanna be friends with him, hell, I want to be friends with ANYONE who I can relate to around here, but I just...gah. Can't get past that, the nervousness, the awkwardness, the "Oh god they can see my binder and know I'm not normal".